Finding the Fourth Proportional to 113,542,025.85, 156,688,058.72 and 61,331,061.94

Step by Step Solution

1. Step 1: Write the proportion equation
   113,542,025.85 : 156,688,058.72 = 61,331,061.94 : x
2. Step 2: Convert to fraction form
   113,542,025.85/156,688,058.72 = 61,331,061.94/x
3. Step 3: Cross multiply
   113,542,025.85x = 156,688,058.72 × 61,331,061.94
4. Step 4: Simplify right side
   113,542,025.85x = 9,609,845,034,376,284
5. Step 5: Solve for x
   x = 9,609,845,034,376,284/113,542,025.85
6. Step 6: Final answer
   x = 84,636,899.53